<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!--轮播图区域-->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big"  @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<!--商品信息区域-->
		<view class="goods-info-box">
			<!--商品价格-->
			<view class="price">￥{{goods_info.goods_price}}</view>
			<!--信息主体区域-->
			<view class="goods-info-body">
				<!--商品名称-->
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<!--收藏-->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!--运费-->
			<view class="yf">快递: 免运费</view>
		</view>
		
		<!--商品详情信息-->
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<!--商品导航组件区域-->
		<view class="goods_nav">
			<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick"></uni-goods-nav>
		</view>
	</view>
</template>
<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	
	export default{
			
		computed:{
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			//total(newVal){
				//const findResult=this.options.find(x=>x.text==='购物车')
			//if(findResult){
				//findResult.info=newVal}
			//}
			total:{
				handler(newVal){
					const findResult=this.options.find(x=>x.text==='购物车')
					if(findResult){
					findResult.info=newVal
					}
				},
				immediate:true
			}
		},
		data(){
			return{
				//商品详情对象
				goods_info:{},
				//左侧按钮组的配置对象
				options: [{
						icon:'headphones',
						text:'客服'
					},{
				  icon: 'shop',
				  text: '店铺',
				  infoBackgroundColor: '#007aff',
				  infoColor: "red"
				}, {
				  icon: 'cart',
				  text: '购物车',
				  info: 0
				}],
				buttonGroup: [{
				    text: '加入购物车',
				    backgroundColor: '#ff0000',
				    color: '#fff'
				  },
				  {
				    text: '立即购买',
				    backgroundColor: '#ffa200',
				    color: '#fff'
				  }
				]
			}
		},
		onLoad(options){
			const goods_id=options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods:{
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id){
				const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
				if(res.meta.status !==200) return uni.$showMsg()
				res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g,'<img style="display:block"').replace(/webp/g,'jpg')
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			},
			onClick(e){
				if(e.content.text === '购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e) {
					
				if(e.content.text === '加入购物车'){
				 const goods={
					 goods_id:this.goods_info.goods_id,
					 goods_name:this.goods_info.goods_name,
					 goods_price:this.goods_info.goods_price,
					 goods_count:1,
					 goods_small_logo:this.goods_info.goods_small_logo,
					 goods_state:true
				 }
				 
				 //调用 addToCart 方法
				 this.addToCart((goods))
				}
			}
		}
	}
</script>

<style lang="scss">
	swiper{
		height: 750rpx;
		image{
			width: 100%;
			height: 100%;
		}
	}
	.goods-info-box{
		padding: 10px;
		padding-right: 0;
		
		.price{
			color: #C00000;
			font-size: 18px;
			margin: 10px 0;
		}
		.goods-info-body{
			display: flex;
			justify-content: space-between;
			
			.goods-name{
				font-size: 13px;
				margin-right: 10px;
			}
			
			.favi{
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				border-left:1px solid #efefef;
				color: gray;
			}
		}
		
		.yf{
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
	}
	
		
	.goods_nav{
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
	}
	
	.goods-detail-container{
		padding-bottom: 50px;
	}
</style>